Mechanoreceptive afferent activity in the infraorbital nerve in man during speech and chewing movements

The method of microneurography was used to record activity in trigeminal cutaneous and mucosal mechanoreceptive afferents during natural orofacial behaviors such as speech gestures, chewing, licking and swallowing. Multi-unit activity and impulses in single nerve fibers were recorded from the infrao...

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Bibliographic Details
Published in:Experimental brain research 1988-01, Vol.72 (1), p.209-214
Main Authors: JOHANSSON, R. S, TRULSSON, M, OLSSON, K. A, ABBS, J. H
Format: Article
Language:English
Subjects:
Action Potentials
Adult
Biological and medical sciences
Face - innervation
Fundamental and applied biological sciences. Psychology
Humans
Mastication
Maxillary Nerve - physiology
Mechanoreceptors - physiology
Middle Aged
Somesthesis and somesthetic pathways (proprioception, exteroception, nociception)
interoception
electrolocation. Sensory receptors
Space life sciences
Speech - physiology
Vertebrates: nervous system and sense organs
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Summary:The method of microneurography was used to record activity in trigeminal cutaneous and mucosal mechanoreceptive afferents during natural orofacial behaviors such as speech gestures, chewing, licking and swallowing. Multi-unit activity and impulses in single nerve fibers were recorded from the infraorbital nerve. It appeared that these mechanoreceptors respond to contact between the lips, air pressures generated for speech sounds, and to the deformation/strain changes of the facial skin and mucosa associated with various phases of voluntary lip and jaw movements. The relatively vigorous discharge of cutaneous and mucosal afferents during natural movements of the face are consistent with the claim that mechanoreceptors found within the facial skin provide proprioceptive information on facial movements.
ISSN:0014-4819
1432-1106
DOI:10.1007/bf00248519